Shimano SM-CRM85 Chainring Tailights Wheel Hardness:

Wheel Hardness:

5 and 6mm hexes

Fits XO Trail Brakes

or as you ride the River Valley trails with the gang with the Lezyne Bike Tool Kit

Shimano SM-CRM85 Chainring Tailights Wheel Hardness:Shimano SM CRM85 Chainring SHIMANO's DEORE XT SM CRM85 stiff and lightweight chainring delivers smooth pedaling over bumpy terrain. The SM CRM85 chainring features SHIMANO DYNAMIC CHAIN ENGAGEMENT+ technology, which features special gear teeth profiles that deliver exceptional chain engagement and chain retention. Features: Superior chain retention Special MTB gear teeth profile improves chain engagement and retention DYNAMIC CHAIN ENGAGEMENT+ Rider